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Date:	Thu, 19 Jun 2014 19:36:14 +0300
From:	"Kirill A. Shutemov" <kirill@...temov.name>
To:	Peter Maloney <peter.maloney@...ckmann-consult.de>,
	Rik van Riel <riel@...hat.com>
Cc:	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Kamal Mostafa <kamal@...onical.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: kernel BUG - handle_mm_fault - Ubuntu 14.04 kernel
 3.13.0-29-generic

On Thu, Jun 19, 2014 at 06:10:11PM +0200, Peter Maloney wrote:
> Hi, can someone please take a look at this and tell me what is going on?
> 
> The event log reports no ECC errors.
> 
> This machine was working fine with an older Ubuntu version, and has
> failed this way twice since an upgrade 2 weeks ago.
> 
> Symptoms include:
>  - load goes up high, currently 1872.72
>  - "ps -ef" hangs
>  - this time I tested "echo w > /proc/sysrq-trigger" which made the
> local shell and ssh hang, and ctrl+alt+del doesn't work, but machine
> still responds to ping
> 
> Please CC me; I'm not on the list.
> 
> Thanks,
> Peter
> 
> 
> 
> Here's the log:
> 
> Jun 12 15:42:42 node73 kernel: [17196.908781] ------------[ cut here
> ]------------
> Jun 12 15:42:42 node73 kernel: [17196.909789] kernel BUG at
> /build/buildd/linux-3.13.0/mm/memory.c:3756!

Looks like this:

http://lkml.org/lkml/2014/5/8/275

It seems the commit 107437febd49 has added to 3.13.11.3 "extended stable",
but not in other -stable.

Rik, should it be there too?

-- 
 Kirill A. Shutemov
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